Home / 38,905.64-58,346.22-12,604.28

Finding the Fourth Proportional to 38,905.64, 58,346.22 and 12,604.28

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Solution

The fourth proportional to 38,905.64, 58,346.22 and 12,604.28 is: 18,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.64 : 58,346.22 = 12,604.28 : x
  2. Step 2: Convert to fraction form
    38,905.64/58,346.22 = 12,604.28/x
  3. Step 3: Cross multiply
    38,905.64x = 58,346.22 × 12,604.28
  4. Step 4: Simplify right side
    38,905.64x = 735,412,093.82
  5. Step 5: Solve for x
    x = 735,412,093.82/38,905.64
  6. Step 6: Final answer
    x = 18,902.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.